网易云课堂 Andrew Ng 深度学习Class1-Class4课后作业及答案

网易云课堂吴恩达的课后练习，从第一课到第四课，每课每周的作业都有，包含答案，第三课只有习题测试没有编程，所以不要误会资源不全，前三课的练习和第四课第一周的练习在压缩包中，第四课后三周的编程练习由于数据集太大，超出上传限制，所以给出的是一个下载链接。非常好的学习资源，全部四节课的代码，性价比还是很高的

import numpy as np
import h5py
    
    
def load_dataset（）:
    train_dataset = h5py.File（‘./datasets/train_catvnoncat.h5‘ “r“）
    train_set_x_orig = np.array（train_dataset[“train_set_x“][:]） # your train set features
    train_set_y_orig = np.array（train_dataset[“train_set_y“][:]） # your train set labels

    test_dataset = h5py.File（‘datasets/test_catvnoncat.h5‘ “r“）
    test_set_x_orig = np.array（test_dataset[“test_set_x“][:]） # your test set features
    test_set_y_orig = np.array（test_dataset[“test_set_y“][:]） # your test set labels

    classes = np.array（test_dataset[“list_classes“][:]） # the list of classes
    
    train_set_y_orig = train_set_y_orig.reshape（（1 train_set_y_orig.shape[0]））
    test_set_y_orig = test_set_y_orig.reshape（（1 test_set_y_orig.shape[0]））
    
    return train_set_x_orig train_set_y_orig test_set_x_orig test_set_y_orig classes

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     672663  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\Quiz-week1-Introduction to deep learning.pdf

     文件     173649  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\Quiz-week2-Coursera _ Online Courses From Top Universities.pdf

     文件     171488  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\Quiz-week3-Coursera _ Online Courses From Top Universities.pdf

     文件     359435  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\Quiz-week4-Coursera _ Online Courses From Top Universities.pdf

     文件     261794  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week1\deep-learning-notation.pdf

     文件      65749  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week1\img\1.1.png

     文件      95922  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week1\img\1.2.png

     文件     119959  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week1\img\1.3.png

     文件       2526  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week1\readme.md

     文件     616958  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\datasets\test_catvnoncat.h5

     文件    2572022  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\datasets\train_catvnoncat.h5

     文件     601084  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\cat_in_iran.jpg

     文件     310181  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\gargouille.jpg

     文件     265708  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\image1.png

     文件     154439  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\image2.png

     文件     339673  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\la_defense.jpg

     文件     314509  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\Lion_waiting_in_Namibia.jpg

     文件     191592  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\LogReg_kiank.png

     文件     636273  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\my_image.jpg

     文件      94439  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\images\my_image2.jpg

     文件      40233  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\Logistic+Regression+with+a+Neural+Network+mindset+v3.ipynb

     文件        882  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\lr_utils.py

     文件     314509  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\my_image.jpg

     文件     777372  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Logistic Regression as a Neural Network\week2-Logistic+Regression+with+a+Neural+Network+mindset.ipynb

     文件     611749  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\images\image2vector.png

     文件     250537  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\images\image2vector_kiank.png

     文件      33615  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\Python+Basics+With+Numpy+v2.ipynb

     文件      33615  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\Python+Basics+With+Numpy+v3.ipynb

     文件      68390  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\Sigmoid.png

     文件      41669  2017-09-06 10:44  deeplearning_code\1_Neural Networks and Deep Learning\week2\Python Basics with Numpy\week2-Python+Basics+With+Numpy.ipynb

............此处省略157个文件信息